While I have been tuning cars for some time, they have either had mechanical fuel injection (1973 BMW 2002tii) or dual sidedraft carbs (1969 BMW 1602ti). Both are track-only. My 1995 Chevy K2500 350 TBI truck needed a new engine, and I had been planning to build a stroker, so I ended up getting the GM Performance HT383E crate engine (6.3L) and an upgraded Monster 4L60E transmission. I initially got an "internet tune" chip and the truck runs well, but mileage was terrible so I decided I should learn how to tune the TBI system myself.
I've been reading a lot and have much to learn. I have succeeded in pulling the .bin off the custom chip, doing a compare with the difference tool, and just got datalogging to work. Emulating and programming is still a ways off. I have the 16197427 PCM, BCC Code BJYL, Mask $0D, and am using the 0D_TPV5_v250.xdf definition file. I believe the correct data stream for my truck is A217. Got my Innovate MTX-L wide band installed and am running TunerPro RT5 on Windows XP SP3 with the Moates APU1 hardware.
While I understand some of the theory, the practice of tuning a computer-controlled engine is very new to me. Learning on the truck will help me with another project--I am upgrading on of my track cars to fully sequential EFI. I am using a Haltech PS1000 ECU, a new slide throttle system I commissioned with the injectors placed at the top of the air horns, dry sump oil system, etc. The Haltech system is deep, so this should be great for getting my feet wet.
EDIT: I see as a new user I am rated "Carb and Points!" Somehow that just seems appropriate
Thanks, Fred
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